Example usage for android.app ActionBar.TabListener ActionBar.TabListener

Introduction

In this page you can find the example usage for android.app ActionBar.TabListener ActionBar.TabListener.

Prototype

ActionBar.TabListener

Source Link

Usage

From source file:com.afollestad.overhear.ui.OverviewScreen.java

/**
 * Sets up the action bar tabs and the view pager.
 *//*from ww  w  . ja  v  a2s  . c om*/
private void setupTabs() {
    ActionBar actionBar = getActionBar();
    actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
    SectionsPagerAdapter mSectionsPagerAdapter = new SectionsPagerAdapter(getFragmentManager());

    mViewPager = (ViewPager) findViewById(R.id.pager);
    mViewPager.setOffscreenPageLimit(5);
    mViewPager.setAdapter(mSectionsPagerAdapter);
    mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
        @Override
        public void onPageSelected(int position) {
            getActionBar().setSelectedNavigationItem(position);
        }
    });

    ActionBar.TabListener mTabListener = new ActionBar.TabListener() {
        @Override
        public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction ft) {

        }

        @Override
        public void onTabSelected(ActionBar.Tab tab, FragmentTransaction ft) {
            invalidateOptionsMenu();
            mViewPager.setCurrentItem(tab.getPosition());
        }

        @Override
        public void onTabReselected(ActionBar.Tab tab, FragmentTransaction ft) {
            Fragment frag = getFragmentManager().findFragmentByTag("page:" + tab.getPosition());
            if (frag instanceof ListFragment) {
                if (frag.getView() != null)
                    ((ListFragment) frag).getListView().setSelection(0);
            } else if (frag instanceof OverhearGridFragment) {
                if (frag.getView() != null)
                    ((OverhearGridFragment) frag).getListView().setSelection(0);
            }
        }
    };

    for (int i = 0; i < mSectionsPagerAdapter.getCount(); i++)
        actionBar.addTab(
                actionBar.newTab().setText(mSectionsPagerAdapter.getPageTitle(i)).setTabListener(mTabListener));
    actionBar.setSelectedNavigationItem(Store.i(this, "focused_tab", 2));
}

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From source file:app.screen.MyActivity.java

/**
 * For more info on using view pager and tabs and action bar, <a href="http://goo.gl/7CsM9">checkout this article</a>
 * in the Android developer site's "Training" section.
 * <p/>//  ww w  .j a v a2s. c om
 * For more info on ViewPager, <a href="http://goo.gl/NgCUO">read this article</a>.
 */
private void _setupFragments() {
    // set up the action bar
    final ActionBar actionBar = getActionBar();
    actionBar.setHomeButtonEnabled(false);
    actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

    // create the FragmentPagerAdapter
    FragmentPagerAdapter fragmentPagerAdapter = new FragmentPagerAdapter(getSupportFragmentManager()) {
        @Override
        public Fragment getItem(int position) {
            try {
                return Fragments.values()[position].aClass.getConstructor(MyActivity.class)
                        .newInstance(MyActivity.this);
            } catch (Exception e) {
                AndroidUtils.logErr(IconPaths.MyApp, "MyActivity - problem creating fragments", e);
                // something has gone wrong - this shouldn't happen
                return new Fragment() {
                    /** make a fragment to house {@link R.layout#error_fragment} */
                    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                            Bundle savedInstanceState) {
                        return super.onCreateView(inflater, container, savedInstanceState);
                    }
                };
            }
        }

        @Override
        public int getCount() {
            return Fragments.values().length;
        }

        public CharSequence getPageTitle(int position) {
            try {
                return Fragments.values()[position].title;
            } catch (Exception e) {
                return "N/A";
            }
        }
    };

    // Set up the ViewPager, attaching the adapter and setting up a listener for when the
    // user swipes between sections.
    final ViewPager viewPager = (ViewPager) findViewById(R.id.pager);
    viewPager.setOffscreenPageLimit(Fragments.values().length); // keep all the pages in memory
    viewPager.setAdapter(fragmentPagerAdapter);
    viewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
        /**
         * When swiping between different app sections, select the corresponding tab.
         * We can also use ActionBar.Tab#select() to do this if we have a reference to the Tab.
         */
        @Override
        public void onPageSelected(int position) {
            super.onPageSelected(position);
            actionBar.setSelectedNavigationItem(position);
        }
    });
    // create TabListener
    ActionBar.TabListener tabListener = new

    ActionBar.TabListener() {
        @Override
        public void onTabSelected(ActionBar.Tab tab, FragmentTransaction transaction) {
            viewPager.setCurrentItem(tab.getPosition());
        }

        @Override
        public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction transaction) {
        }

        @Override
        public void onTabReselected(ActionBar.Tab tab, FragmentTransaction transaction) {
        }
    };

    // setup tabs
    for (int i = 0; i < fragmentPagerAdapter.getCount(); i++) {
        actionBar.addTab(
                actionBar.newTab().setText(fragmentPagerAdapter.getPageTitle(i)).setTabListener(tabListener));
    }

}

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